RHSA-2026:29020MediumCVSS 7.5

Red Hat Security Advisory: libpng12 security update

Published
June 24, 2026
Last Modified
October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-33416 →

📋 Description

CVE-2026-33416 — libpng: libpng: Arbitrary code execution due to use-after-free vulnerability

🎯 Affected products16

  • Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.src as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.src as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-debuginfo-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-debuginfo-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-debuginfo-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-debuginfo-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-debugsource-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-debugsource-0:1.2.57-5.el8_6.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
  • libpng12-debugsource-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • libpng12-debugsource-0:1.2.57-5.el8_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To reduce exposure, avoid processing untrusted PNG image files with applications that utilize libpng. Restricting the source of PNG images to trusted origins can limit the attack surface.

🔗 References (4)